As Asbestos Claims Rise, So Do Worries About Fraud

Three decades after Manville Corp. collapsed under an avalanche of asbestos litigation, personal-injury claims continue to pile up at a rate of 85 per day.

They find their way to a small office building in suburban Virginia, where processors evaluate the paperwork of pipe fitters and welders and shipbuilders who say they contracted debilitating lung diseases from the company's insulation products. By last March, a Manville bankruptcy...